Finding the Fourth Proportional to 68,731,663.73, 103,162,285.12 and 25,054,638.80
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Solution
The fourth proportional to 68,731,663.73, 103,162,285.12 and 25,054,638.80 is: 37,605,575.82
Step by Step Solution
- Step 1: Write the proportion equation
68,731,663.73 : 103,162,285.12 = 25,054,638.80 : x - Step 2: Convert to fraction form
68,731,663.73/103,162,285.12 = 25,054,638.80/x - Step 3: Cross multiply
68,731,663.73x = 103,162,285.12 × 25,054,638.80 - Step 4: Simplify right side
68,731,663.73x = 2,584,693,791,464,215 - Step 5: Solve for x
x = 2,584,693,791,464,215/68,731,663.73 - Step 6: Final answer
x = 37,605,575.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.